Controlling Population Size - WJEC

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  • Created by: Carrie
  • Created on: 14-03-14 22:24

1. Select the term that decribes the maximum population size that can be supported by the available resources?

  • The set point
  • Carrying Capacity
  • Population Density
  • Osmoregulation
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Other questions in this quiz

2. What is a Niche?

  • an ecological role and space that an organism fills in an ecosystem
  • The reproductive capacity of one individual in an ecosystem
  • A type of egg based pastry
  • the ability of an organism to resist the effects of interspecific competition

3. Which of the following are ALL density dependant factors in mammals?

  • Accumulation of toxic waste, disease, parasitism, overcrowding and depletion of food supply
  • diesease, overcrowding, insufficient light and depletion of food supply
  • Disease, a fire, parasitism, overcrowding and depletion of food supply
  • Accumulation of toxic waste, disease, flooding, overcrowding and depletion of food supply

4. Population oscillations are regulated by a process called...

  • ...environmental resistance
  • ...negative feeback
  • ...carrying capacity
  • ...biological control

5. Which of the following is not a biotic factor?

  • pH
  • competition
  • Disease
  • Accumulation of toxic waste

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